BEAUFORT SCALE
	Beaufort		Miles
	#	Name	Per Hour	Description
	0	calm	< 1	calm; smoke rises vertically
	1	light air	1 - 3	direction shown smoke but not wind vanes
	2	light breeze	4 - 7	wind felt on face; leaves rustle
	3	gentle breeze	8 - 12	leaves and small twigs in constant motion; wind extends light flag
BREEZE	4	moderate breeze	13 - 18	raises dust and loose paper; small branches moved
	5	fresh breeze	19 - 24	small trees sway; crested wavelets form
	6	strong breeze	25 - 31	large branches in motion; umbrellaa use difficult
	7	moderate gale	32 - 38	whole trees in motion; inconvenience walking against the wind
	8	fresh gale	39 - 46	breaks twigs off trees; impedes progress
GALE	9	strong gale	47 - 54	slight structural damage
	10	whole gale	55 - 63	trees uprooted; considerable structural damage
	11	storm	64 - 72	very rarely experienced; widespread damage
	12	hurricane	73 - 136	devastation occurs